/*
 *  Copyright 2013 HCIWriter
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */
package com.hci.writer.shared;

import java.util.ArrayList;
import java.util.Random;

public class Shuffle {
	@SuppressWarnings({ "rawtypes", "unchecked" })
	public static void shuffle(ArrayList lst) {
		Random rand = new Random();
		for (int i = lst.size(); i > 1; --i)
			lst.set(i-1, lst.set(rand.nextInt(i), lst.get(i-1)));
	}
}
